English to Greek Tech/Engineering Engineering (general) επιπλοκή εναλλάκτη θερμότητας

Καλησπέρα,
παραθέτω παρακάτω συγκείμενο για τον όρο. Τον έχετε ξανασυναντήσει;

"The Chemical Safety Board launched an investigation and determined that the heat exchanger catastrophically failed due to long term damage from what is known as, high temperature hydrogen attack."
"Tesoro relied on data published by the American Petroleum Institute called the Nelson Curves to predict the susceptibility of the carbon steel heat exchangers to HTHA damage."

Ευχαριστώ εκ των προτέρων για τη βοήθεια!